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How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more

Shield volcanoes can grow to be very big. In fact, the oldest continental regions of Earth may be the remains of ancient shield volcanoes. Unlike the composite volcanoes which are tall and thin, shield...more

One of the volcanoes on the planet of Venus is named after the Norse goddess Sif. Most of the planetary features of Venus are named after famous women and goddesses . Venus is the only planet named after...more

Volcanoes bring material from the deep interior of a planet and spilling it onto the surface. Eruptions of volcanoes also put new molecules into the atmosphere. Volcanism is part of the process by which...more

The Magellan mission to Venus confirmed that the surface of Venus is definitely volcanic. As shown in this picture, lava flows extend to hundreds of miles across the plains in the foreground. The surface...more

Aphrodite Terra, the Greek name for the goddess Venus, is about the size of half the continent of Africa, and is to be found along Venus' equator. Aphrodite Terra is different from Ishtar Terra in that,...more

Beta Regio is an example of a volcanic rise, and is more like an island than a continent. Volcanic rises such as Beta Regio sometimes contain deep troughs. The troughs may be evidence of a surface inmotion....more